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Engine is completely apart. Main bearings are perfect. I will reuse those. Rod bearings show a bit of wear on the sides where caps meet the rod. I will replace those. I soaked the pistons in Simple Green full strength over night. Then used a toothbrush to remove any remaining carbon. Rinsed them off in water, blew them dry and sprayed them liberally with WD40 so they do not rust. I flushed out the oil pump with varsol and then fresh oil. Could find no metal bits. Today I will check all oil passages, oil filter adapter, oil cooler and oil pan for any metal bits. I find it strange and a bit unsettling that all the sprocket teeth have just disappeared. After doing all this it is time to reassemble.
Just a note on piston cleaning. It can't be done while the pistons are in the block. Lots of carbon on the sides of the pistons above the top ring. Once you start cleaning the tops, stuff will run down the sides of the pistons. That would stay there and score the cylinder walls.
If pistons stay in do not try to clean the tops. Just leave it.
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